Gamma correction issue about lv_port_esp32

[app-z]

+//
+// ST7789V commands.
+//
+enum {

• Cmd_Software_Reset = 0x01,
• Cmd_Sleep_Out = 0x11,
• Cmd_Partial_Mode_Off = 0x13,
• Cmd_Display_Inversion_Off = 0x20,
• Cmd_Display_Inversion_On = 0x21,
• Cmd_Display_Off = 0x28,
• Cmd_Display_On = 0x29,
• Cmd_Column_Address_Set = 0x2a,
• Cmd_Row_Address_Set = 0x2b,
• Cmd_Memory_Write = 0x2c,
• Cmd_Memory_Data_Access_Control = 0x36,
• Cmd_Interface_Pixel_Format = 0x3a,
• Cmd_Porch_Control = 0xb2,
• Cmd_Gate_Control = 0xb7,
• Cmd_VCOMS_Setting = 0xbb,
• Cmd_LCM_Control = 0xc0,
• Cmd_VDV_VRH_Command_Enable = 0xc2,
• Cmd_VRH_Set = 0xc3,
• Cmd_VDV_Setting = 0xc4,
• Cmd_FR_Control_2 = 0xc6,
• Cmd_Power_Control_1 = 0xd0,
• Cmd_Positive_Gamma_Control = 0xe0,
• Cmd_Negative_Gamma_Control = 0xe1,
  +};